Umoya womoya kumacandelo abalulekileyo, indlela yolawulo lwendlela eya kwicala elinye. Rhoqo kulungiswa phakathi kwesilinda kunye nokubuyisela umva ivalve, ukuze umoya okwisilinda ungadluli kwisheyiphu ebuyisa umva kunye nevalve ekhutshwe ngokuthe ngqo.
Zilungele iimeko apho isilinda kufuneka sihambe ngokukhawuleza.